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18 Dec 2019

A flask contains 14.182 grams of nitrogen monoxide (NO), 19.628g of (CO2), and 29.543 g of (SO3). The total pressure in the flaskis measured to be 35.9 at,. What is the partial pressure of sulfurtrioxide in the flask?


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Hubert Koch
Hubert KochLv2
31 Dec 2019

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Related questions

Two flasks are connected with a stopcock. The first flask has avolume of 5 liters and contains nitrogen gas at a pressure of 0.75atm. The second flask has a volume of 8 liters and contains oxygengas at a pressure of 1.25 atm. When the stopcock between the flaskis opened and the gases are free to mix, what will the pressure bein the resulting mixture?

The answer is 1.057 atm but i dont know how to get there!

Do you assume STP? If not I have no clue!


Sulfur dioxide, SO2(g), can react with oxygen to produce sulfurtrioxide, SO3(g), by the following reaction

2 SO2 (g) + O2 (g) ---> 2 SO3 (g)

The standard enthalpies of formation of SO2 (g) and SO3 (g)are:

* for S02 = - 296.8 kJ/mol

*for SO3 = - 395.7 kJ/mol


Calculate the amount of energy in the form of heat that is producedwhen a volume of 4.70 L of SO2 (g) is converted to 4.70 L of SO3(g) according to this process at a constant pressure and atemperature of 1.00 bar and 25 degree celsius. Assume ideal gasbehavior.


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